package com.tony.lock;

import java.util.concurrent.Exchanger;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

/**
 * @author tonywang
 * @date 8/20/2018
 */
public class ExchangerTest {
    private static final Exchanger<String> exgr = new Exchanger<String>();
    private static ExecutorService threadPool = Executors.newFixedThreadPool(2);

    public static void main(String[] args){
        threadPool.execute(()->{
            try {
                String A = "银行流水A";
                exgr.exchange(A);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        });
        threadPool.execute(()->{
            try {
                String B = "银行流水B";
                String A = exgr.exchange("B");
                System.out.println("A和B数据是否一致：" + A.equals(B) + "，A录入的是："
                        + A + "，B录入是：" + B);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        });
        threadPool.shutdown();
    }

}
